68500823 has 4 divisors (see below), whose sum is σ = 68576928. Its totient is φ = 68424720.

The previous prime is 68500811. The next prime is 68500843. The reversal of 68500823 is 32800586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68500823 - 2¹⁰ = 68499799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68500823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68500843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36686 + ... + 38507.

It is an arithmetic number, because the mean of its divisors is an integer number (17144232).

Almost surely, 2^68500823 is an apocalyptic number.

68500823 is a deficient number, since it is larger than the sum of its proper divisors (76105).

68500823 is an equidigital number, since it uses as much as digits as its factorization.

68500823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76104.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 68500823 is about 8276.5223977224. The cubic root of 68500823 is about 409.1651124851.

The spelling of 68500823 in words is "sixty-eight million, five hundred thousand, eight hundred twenty-three".